<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The morphology and nanostructure of carbon nanotubes (CNTs), synthesized directly on Fe-Cr-Al-based alloy substrate using an alcohol catalytic chemical vapour deposition method (ACCVD), were examined by transmission electron microscopy (TEM). The grown CNTs were entangled with chain-like, bamboo-like, and necklace-like morphologies. The CNT morphology was affected by the elemental composition of catalysts and local instability of deposition process. Straight and bended CNTs with bamboo-like nanostructure grew mainly on γ-Fe and Fe<sub>3</sub>C particles. The synthesis of necklace-like nanostructures was influenced by silicon oxide, and growth of chain-like nanostructures was supported by a catalysts consisting of Fe, Si, oxygen and trace of Cr. Most of nanotubes grew according to base growth mechanism.</p></abstract>

The morphology and nanostructure of carbon nanotubes (CNTs), synthesized directly on Fe-Cr-Al-based alloy substrate using an alcohol catalytic chemical vapour deposition method (ACCVD), were examined by transmission electron microscopy (TEM). The grown CNTs were entangled with chain-like, bamboo-like, and necklace-like morphologies. The CNT morphology was affected by the elemental composition of catalysts and local instability of deposition process. Straight and bended CNTs with bamboo-like nanostructure grew mainly on γ-Fe and Fe3C particles. The synthesis of necklace-like nanostructures was influenced by silicon oxide, and growth of chain-like nanostructures was supported by a catalysts consisting of Fe, Si, oxygen and trace of Cr. Most of nanotubes grew according to base growth mechanism.

Carbon Nanostructures Grown on Fe-Cr-Al Alloy

Department of Geology of Mineral Deposits, Comenius University, Mlynská dolina, 842 15 Bratislava, Slovakia

Department of Materials Engineering, Faculty of Materials Science and Technology, Slovak University of Technology, Bottova 23, 917 24 Trnava, Slovakia

Department of Microelectronics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia

Journal of Electrical Engineering

{"article-title":"Carbon Nanostructures Grown on Fe-Cr-Al Alloy"}

The morphology and nanostructure of carbon nanotubes (CNTs), synthesized directly on Fe-Cr-Al-based alloy substrate using an alcohol catalytic chemical vapour...

Carbon Nanostructures Grown on Fe-Cr-Al Alloy

Publié en ligne: 07 juin 2011

Pages: 373 - 377

DOI: https://doi.org/10.2478/v10187-010-0057-9

Mots clés
carbon nanotubes, alcohol catalytic chemical vapor deposition, transmission electron spectroscopy

This content is open access.

Carbon Nanostructures Grown on Fe-Cr-Al Alloy

Publié en ligne: 07 juin 2011

Pages: 373 - 377

DOI: https://doi.org/10.2478/v10187-010-0057-9

Mots cléscarbon nanotubes, alcohol catalytic chemical vapor deposition, transmission electron spectroscopy

This content is open access.

Mots clés
carbon nanotubes, alcohol catalytic chemical vapor deposition, transmission electron spectroscopy